AXI Streaming Intel® FPGA IP for PCI Express* User Guide

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ID 790711
Date 7/08/2024
Public
Document Table of Contents
Document Table of Contents x
1. Introduction 2. Features 3. Getting Started with the AXI Streaming Intel® FPGA IP for PCI Express* 4. IP Architecture and Functional Description 5. AXI Streaming Intel® FPGA IP for PCI Express* Parameters 6. Interfaces and Signals 7. Register Descriptions 8. Document Revision History for the AXI Streaming Intel® FPGA IP for PCI Express* User Guide A. Specifications B. Simulating the Design Example
1. Introduction x
1.1. Goal of the AXI Streaming Intel® FPGA IP for PCI Express* User Guide 1.2. Intended Audience for the AXI Streaming Intel® FPGA IP for PCI Express* User Guide 1.3. What is PCI Express* ? 1.4. What are the Intel® FPGA IPs for PCI Express* ? 1.5. What is the AXI Streaming Intel® FPGA IP for PCI Express* ? 1.6. Example Use Models 1.7. Design Flow Requirements
1.7. Design Flow Requirements x
1.7.1. Design Software 1.7.2. Hardware
2. Features x
2.1. Supported Features 2.2. Device Family Support 2.3. Performance
3. Getting Started with the AXI Streaming Intel® FPGA IP for PCI Express* x
3.1. Download and Install Quartus Software 3.2. Obtain and Install Intel FPGA IPs and Licenses 3.3. Configure and Generate the AXI Streaming Intel® FPGA IP for PCI Express* 3.4. About the AXI Streaming Intel® FPGA IP for PCI Express Design Examples 3.5. Instantiate and Connect the AXI Streaming Intel® FPGA IP for PCI Express* Interfaces 3.6. Simulate the AXI Streaming Intel® FPGA IP for PCI Express* IP Variant 3.7. Compile the AXI Streaming Intel® FPGA IP for PCI Express* IP Variant 3.8. Software Drivers for AXI Streaming Intel® FPGA IP for PCI Express* IP Variant 3.9. Build the Application for the AXI Streaming Intel® FPGA IP for PCI Express* IP Variant 3.10. Verification with the AXI Streaming Intel® FPGA IP for PCI Express* IP Variant 3.11. Debugging with the AXI Streaming Intel® FPGA IP for PCI Express* IP Variant
3.4. About the AXI Streaming Intel® FPGA IP for PCI Express Design Examples x
3.4.1. Functional Description for the Programmed Input/Output (PIO) Design Example 3.4.2. Functional Description for the Single Root I/O Virtualization (SR-IOV) Design Example 3.4.3. Functional Description for the Performance Design Example
3.5. Instantiate and Connect the AXI Streaming Intel® FPGA IP for PCI Express* Interfaces x
3.5.1. Clocking and Resets 3.5.2. Application Packet Datapath 3.5.3. Enabling Additional Features 3.5.4. Enabling Optional Interfaces
3.6. Simulate the AXI Streaming Intel® FPGA IP for PCI Express* IP Variant x
3.6.1. Simulating the Design Example
3.6.1. Simulating the Design Example x
3.6.1.1. Steps to Run Simulations
3.6.1.1. Steps to Run Simulations x
3.6.1.1.1. VCS* Simulator
3.8. Software Drivers for AXI Streaming Intel® FPGA IP for PCI Express* IP Variant x
3.8.1. Installing the Linux Kernel Driver
3.9. Build the Application for the AXI Streaming Intel® FPGA IP for PCI Express* IP Variant x
3.9.1. Running the Design Example
3.9.1. Running the Design Example x
3.9.1.1. Running the PIO Design Example
3.11. Debugging with the AXI Streaming Intel® FPGA IP for PCI Express* IP Variant x
3.11.1. Debugging Link Training Issues 3.11.2. Debugging Data Transfer and Performance Issues
3.11.1. Debugging Link Training Issues x
3.11.1.1. Operating System Tools and Utilities 3.11.1.2. Signal Tap Logic Analyzer 3.11.1.3. Additional Debug Tools
3.11.2. Debugging Data Transfer and Performance Issues x
3.11.2.1. Advanced Error Reporting (AER) 3.11.2.2. Second-Level Debug Tools
4. IP Architecture and Functional Description x
4.1. Clocks and Resets 4.2. PCIe Hard IP (HIP) 4.3. HIP Interface (IF) Adaptor 4.4. Application Error Reporting 4.5. Debug Toolkit and Hard IP (HIP) Reconfiguration Interface 4.6. Configuration Space Extension 4.7. Control Shadow 4.8. Configuration Intercept Interface 4.9. Power Management 4.10. Legacy Interrupt 4.11. Credit Handling 4.12. Completion Timeout 4.13. Transaction Ordering 4.14. Page Request Service (PRS) Events 4.15. TX Non-Posted Metering Requirement on Application 4.16. MSI Pending 4.17. D-State Status 4.18. Configuration Retry Status Enable 4.19. AXI-Streaming Interface 4.20. Precision Time Measurement (PTM) [F/R-Tiles Only]
5. AXI Streaming Intel® FPGA IP for PCI Express* Parameters x
5.1. Parameter Editor Parameters
6. Interfaces and Signals x
6.1. Overview 6.2. Clocks and Resets 6.3. Application Packet Interface 6.4. Configuration Extension Bus Interface 6.5. Configuration Intercept Interface 6.6. Function Level Reset Interface 6.7. Control Shadow Interface (st_ctrlshadow) 6.8. Completion Timeout Interface (st_cplto) 6.9. Miscellaneous Signals 6.10. Control and Status Register Responder Interface (lite_csr) 6.11. Error Interface (st_err) 6.12. VF Error Flag Interface (vf_err/sent_vfnonfatalmsg) 6.13. VIRTIO PCI* Configuration Access Interface 6.14. Serial Data Signals
6.2. Clocks and Resets x
6.2.1. Interface Clock Signals 6.2.2. Interface Reset Signals
6.3. Application Packet Interface x
6.3.1. Header Format 6.3.2. Prefix Format 6.3.3. Function Number Format 6.3.4. BAR Number Format 6.3.5. Data and Header Packing Schemes 6.3.6. Application Packet Transmit Interface (st_tx) 6.3.7. Application Packet Receive Interface (st_rx) 6.3.8. Flow Control Credit Handling
6.3.5. Data and Header Packing Schemes x
6.3.5.1. HIP Native Mode Packing 6.3.5.2. Compact Packing 6.3.5.3. Simple Packing
6.3.5.1. HIP Native Mode Packing x
6.3.5.1.1. Application Logic Guidelines for the AXI Streaming TX Interface in HIP Native Mode (R-Tile) 6.3.5.1.2. Application Logic Guidelines for the AXI Streaming RX Interface in HIP Native Mode
6.3.5.2. Compact Packing x
6.3.5.2.1. Application Logic Guidelines for the AXI Streaming TX Interface in Compact Mode (P/R-Tiles) 6.3.5.2.2. Application Logic Guidelines for the AXI Streaming RX Interface in Compact Mode (P/R-Tiles)
6.3.5.3. Simple Packing x
6.3.5.3.1. Application Logic Guidelines for the AXI Streaming TX Interface in Simple Mode (P/R-Tiles) 6.3.5.3.2. Application Logic Guidelines for the AXI Streaming RX Interface in Simple Mode (P/R-Tiles)
6.3.8. Flow Control Credit Handling x
6.3.8.1. Application Transmit Flow Control Credit Interface (st_txcrdt) 6.3.8.2. Application Receive Flow Control Credit Interface (st_rxcrdt) (R-Tile Only)
6.4. Configuration Extension Bus Interface x
6.4.1. Configuration Extension Bus Request Interface (st_cebreq) 6.4.2. Configuration Extension Bus Response Interface (st_cebresp)
6.5. Configuration Intercept Interface x
6.5.1. Configuration Intercept Request Interface (st_ciireq) 6.5.2. Configuration Intercept Response Interface (st_ciiresp)
6.6. Function Level Reset Interface x
6.6.1. Function Level Reset Received Interface (st_flrrcvd) 6.6.2. Function Level Reset Completion Interface (st_flrcmpl)
6.13. VIRTIO PCI* Configuration Access Interface x
6.13.1. VIRTIO PCI* Config Access Request Interface (st_virtio_pcicfgreq) 6.13.2. VIRTIO PCI* Config Access Completion Interface (st_virtio_pcicfgcmpl)
7. Register Descriptions x
7.1. Register Address Map 7.2. PCIe Configuration Space 7.3. AXI Streaming Intel® FPGA IP for PCI Express* Soft Register Address Map
7.2. PCIe Configuration Space x
7.2.1. PCIe Configuration Space Registers
7.3. AXI Streaming Intel® FPGA IP for PCI Express* Soft Register Address Map x
7.3.1. AXI Streaming Intel® FPGA IP for PCI Express* Control Registers 7.3.2. IP Debug Registers 7.3.3. IP Performance Monitor Registers
7.3.1. AXI Streaming Intel® FPGA IP for PCI Express* Control Registers x
7.3.1.1. AXI Streaming Intel® FPGA IP for PCI Express* Version 7.3.1.2. AXI Streaming Intel® FPGA IP for PCI Express* Features 7.3.1.3. AXI Streaming Intel® FPGA IP for PCI Express* Interface Attributes 7.3.1.4. HOT PLUG GEN CTRL 7.3.1.5. POWER MANAGEMENT CTRL 7.3.1.6. LEGACY INTERRUPT CTRL 7.3.1.7. CFG REG IA CTRL 7.3.1.8. CFG REG IA FN NUM 7.3.1.9. CFG REG IA WRDATA 7.3.1.10. CFG REG IA RDDATA 7.3.1.11. PRS CTRL 7.3.1.12. MSI PENDING CTRL 7.3.1.13. MSI PENDING 7.3.1.14. D-STATE STS 7.3.1.15. CFG RETRY CTRL
7.3.2. IP Debug Registers x
7.3.2.1. HIP Status 7.3.2.2. HIP BP CYCLES 7.3.2.3. HIA BP CYCLES 7.3.2.4. APP BP CYCLES 7.3.2.5. HIA RX BP CYCLES
7.3.3. IP Performance Monitor Registers x
7.3.3.1. PERFMON CTRL 7.3.3.2. TX MRD TLP 7.3.3.3. TX MWR TLP 7.3.3.4. TX MSG TLP 7.3.3.5. TX CFGWR TLP 7.3.3.6. TX CFGRD TLP 7.3.3.7. RX MRD TLP 7.3.3.8. RX MWR TLP 7.3.3.9. RX MSG TLP 7.3.3.10. RX CFGWR TLP 7.3.3.11. RX CFGRD TLP 7.3.3.12. TX MEM DATA 7.3.3.13. TX CPL DATA 7.3.3.14. RX MEM DATA 7.3.3.15. RX CPL DATA
A. Specifications x
A.1. P-Tile Specifications A.2. F-Tile Specifications A.3. R-Tile Specifications
A.1. P-Tile Specifications x
A.1.1. P-Tile Completion Buffer Size A.1.2. Power Management A.1.3. MSI and MSI-X
A.2. F-Tile Specifications x
A.2.1. F-Tile Completion Buffer Size A.2.2. Power Management
A.3. R-Tile Specifications x
A.3.1. R-Tile Completion Buffer Size A.3.2. Power Management A.3.3. MSI and MSI-X
B. Simulating the Design Example x
B.1. Testbench
B.1. Testbench x
B.1.1. Testbench Modules B.1.2. Test Driver Module B.1.3. PIO Design Example Testbench B.1.4. Root Port BFM
1. Introduction
2. Features
3. Getting Started with the AXI Streaming Intel® FPGA IP for PCI Express*
4. IP Architecture and Functional Description
5. AXI Streaming Intel® FPGA IP for PCI Express* Parameters
6. Interfaces and Signals
7. Register Descriptions
8. Document Revision History for the AXI Streaming Intel® FPGA IP for PCI Express* User Guide
A. Specifications
B. Simulating the Design Example

3.4.3. Functional Description for the Performance Design Example

The Performance design example performs memory transfers from the AXI Streaming Intel FPGA IP for PCI Express to the host system memory. You can configure the Endpoint Traffic Generator design example to send:
  • Memory Write-only TLPs
  • Memory Read-only TLPs
  • Both Memory Write and Memory Read TLPs

There is a traffic counter implemented in the FPGA Application logic to measure the amount of traffic that is being generated. To make a traffic measurement, the software application running at the host side issues a memory read TLP, acquires the counter value, and prints the traffic generated on the system terminal. The software application performs a memory write to the control register within the Application logic to start and stop the traffic.

Table 14.  Performance AXI Streaming Design Example Supported Configurations (P-Tile)Support level keys: S = simulation, C = compilation, T = timing, H = hardware, N/A = configuration not supported.
Port Mode Link Width Topology Link Speed HIP Data Width (Bits) Application Data Width (Bits) Compact/HIP Native Mode Design Example Support
Endpoint x16 1x16 Gen4 512 (2 x 256) 1024 (4 x 256) Compact SCTH
512 (2 x 256) 1024 (2 x 512) Compact SCTH
512 (2 x 256) 1024 (1 x 1024) Compact SCTH
512 (2 x 256) 512 (2 x 256) Compact SCTH
512 (2 x 256) 512 (1 x 512) Compact SCTH
512 (2 x 256) 256 (1 x 256) Compact SCTH
Gen3 512 (2 x 256) 1024 (4 x 256) Compact SCTH
512 (2 x 256) 1024 (2 x 512) Compact SCTH
512 (2 x 256) 1024 (1 x 1024) Compact SCTH
512 (2 x 256) 512 (2 x 256) Compact SCTH
512 (2 x 256) 512 (1 x 512) Compact SCTH
512 (2 x 256) 256 (1 x 256) Compact SCTH
x8 2x8

1x8

 Gen4 256 (1 x 256) 1024 (4 x 256) Compact SCTH
256 (1 x 256) 1024 (2 x 512) Compact SCTH
256 (1 x 256) 1024 (1 x 1024) Compact SCTH
256 (1 x 256) 512 (2 x 256) Compact SCTH
256 (1 x 256) 512 (2 x 256) Compact SCTH
256 (1 x 256) 512 (1 x 512) Compact SCTH
256 (1 x 256) 256 (1 x 256) Compact SCTH
Gen3 256 (1 x 256) 1024 (4 x 256) Compact SCTH
256 (1 x 256) 1024 (2 x 512) Compact SCTH
256 (1 x 256) 1024 (1 x 1024) Compact SCTH
256 (1 x 256) 512 (2 x 256) Compact SCTH
256 (1 x 256) 512 (2 x 256) Compact SCTH
256 (1 x 256) 512 (1 x 512) Compact SCTH
256 (1 x 256) 256 (1 x 256) Compact SCTH
x4 4x4 Gen4 128 (1 x 128) 256 (1 x 256) Compact CT
128 (1 x 128) 128 (1 x 128) Compact CT
Gen3 128 (1 x 128) 256 (1 x 256) Compact CT
128 (1 x 128) 128 (1 x 128) Compact CT
2x4

1x4

 Gen4 128 (1 x 128) 256 (1 x 256) Compact CTH
128 (1 x 128) 128 (1 x 128) Compact CTH
Gen3 128 (1 x 128) 256 (1 x 256) Compact CTH
128 (1 x 128) 128 (1 x 128) Compact CTH
Root Port N/A N/A N/A N/A N/A N/A N/A
TL Bypass N/A N/A N/A N/A N/A N/A N/A
Note: For the P-Tile AXI Streaming Performance design example, only VCS, VCSMX, Questasim, and Modelsim are supported for simulation.
Table 15.  Performance AXI Streaming Design Example Supported Configurations (F-Tile)Support level keys: S = simulation, C = compilation, T = timing, H = hardware, N/A = configuration not supported.
Port Mode Link Width Topology Link Speed HIP Data Width (Bits) Application Data Width (Bits) Compact/HIP Native Mode Design Example Support
Endpoint x16 1x16 Gen4 512 (2 x 256) 1024 (4 x 256) Compact SCTH
512 (2 x 256) 1024 (2 x 512) Compact SCTH
512 (2 x 256) 1024 (1 x 1024) Compact SCTH
512 (2 x 256) 512 (2 x 256) Compact SCTH
512 (2 x 256) 512 (1 x 512) Compact SCTH
512 (2 x 256) 256 (1 x 256) Compact SCTH
Gen3 512 (2 x 256) 1024 (4 x 256) Compact SCTH
512 (2 x 256) 1024 (2 x 512) Compact SCTH
512 (2 x 256) 1024 (1 x 1024) Compact SCTH
512 (2 x 256) 512 (2 x 256) Compact SCTH
512 (2 x 256) 512 (1 x 512) Compact SCTH
512 (2 x 256) 256 (1 x 256) Compact SCTH
x8 2x8

1x8

 Gen4 256 (1 x 256) 1024 (4 x 256) Compact SCTH
256 (1 x 256) 1024 (2 x 512) Compact SCTH
256 (1 x 256) 1024 (1 x 1024) Compact SCTH
256 (1 x 256) 512 (2 x 256) Compact SCTH
256 (1 x 256) 512 (2 x 256) Compact SCTH
256 (1 x 256) 512 (1 x 512) Compact SCTH
256 (1 x 256) 256 (1 x 256) Compact SCTH
Gen3 256 (1 x 256) 1024 (4 x 256) Compact SCTH
256 (1 x 256) 1024 (2 x 512) Compact SCTH
256 (1 x 256) 1024 (1 x 1024) Compact SCTH
256 (1 x 256) 512 (2 x 256) Compact SCTH
256 (1 x 256) 512 (2 x 256) Compact SCTH
256 (1 x 256) 512 (1 x 512) Compact SCTH
256 (1 x 256) 256 (1 x 256) Compact SCTH
x4 4x4 Gen4 128 (1 x 128) 256 (1 x 256) Compact CT
128 (1 x 128) 128 (1 x 128) Compact CT
Gen3 128 (1 x 128) 256 (1 x 256) Compact CT
128 (1 x 128) 128 (1 x 128) Compact CT
2x4

1x4

 Gen4 128 (1 x 128) 256 (1 x 256) Compact CTH
128 (1 x 128) 128 (1 x 128) Compact CTH
Gen3 128 (1 x 128) 256 (1 x 256) Compact CTH
128 (1 x 128) 128 (1 x 128) Compact CTH
Root Port N/A N/A N/A N/A N/A N/A N/A
TL Bypass N/A N/A N/A N/A N/A N/A N/A
PIPE Direct (PIPE-D)   1x16 Gen4 512 (2 x 256) 512 (2 x 256) Compact S
PIPE Direct (PIPE-D)   2x8 Gen4 512 (2 x 256) 512 (2 x 256) Compact S
PIPE Direct (PIPE-D)   1x8 Gen4 256 (1 x 256) 256 (1 x 256) Compact S
Note: For the F-Tile AXI Streaming Performance design example, only VCS, VCSMX, Questasim, and Modelsim are supported for simulation.
Table 16.  Performance AXI Streaming Design Example Supported Configurations (R-Tile)Support level keys: S = simulation, C = compilation, T = timing, H = hardware, N/A = configuration not supported.
Port Mode Link Width Topology Link Speed HIP Data Width (Bits) Application Data Width (Bits) Compact/HIP Native Mode Design Example Support
Endpoint x16 1x16 Gen5 1024 (4 x 256) 1024 (4 x 256) HIP Native SCTH
1024 (4 x 256) 1024 (4 x 256) Compact SCTH
1024 (4 x 256) 1024 (2 x 512) Compact SCTH
1024 (4 x 256) 1024 (1 x 1024) Compact SCTH
1024 (4 x 256) 512 (2 x 256) Compact SCTH
1024 (4 x 256) 512 (1 x 512) Compact SCTH
1024 (4 x 256) 256 ( 1 x 256) Compact SCTH
Gen4 1024 (4 x 256) 1024 (4 x 256) HIP Native SCTH
512 (2 x 256) 1024 (4 x 256) Compact SCTH
512 (2 x 256) 1024 (2 x 512) Compact SCTH
512 (2 x 256) 1024 (1 x 1024) Compact SCTH
512 (2 x 256) 512 (2 x 256) HIP Native SCTH
512 (2 x 256) 512 (2 x 256) Compact SCTH
512 (2 x 256) 512 (1 x 512) Compact SCTH
512 (2 x 256) 256 (1 x 256) Compact SCTH
Gen3 1024 (4 x 256) 1024 (4 x 256) HIP Native SCTH
512 (2 x 256) 1024 (4 x 256) Compact SCTH
512 (2 x 256) 1024 (2 x 512) Compact SCTH
512 (2 x 256) 1024 (1 x 1024) Compact SCTH
512 (2 x 256) 512 (2 x 256) HIP Native SCTH
512 (2 x 256) 512 (2 x 256) Compact SCTH
512 (2 x 256) 512 (1 x 512) Compact SCTH
512 (2 x 256) 256 (1 x 256) Compact SCTH
x8 2x8

1x8

 Gen5 512 (2 x 256) 1024 (4 x 256) Compact SCTH
512 (2 x 256) 1024 (2 x 512) Compact SCTH
512 (2 x 256) 1024 (1 x 1024) Compact SCTH
512 (2 x 256) 512 (2 x 256) HIP Native SCTH
512 (2 x 256) 512 (2 x 256) Compact SCTH
512 (2 x 256) 512 (1 x 512) Compact SCTH
512 (2 x 256) 256 (1 x 256) Compact SCTH
Gen4 512 (2 x 256) 512 (2 x 256) HIP Native SCTH
256 (1 x 256) 1024 (4 x 256) Compact SCTH
256 (1 x 256) 1024 (2 x 512) Compact SCTH
256 (1 x 256) 1024 (1 x 1024) Compact SCTH
256 (1 x 256) 512 (2 x 256) Compact SCTH
256 (1 x 256) 512 (2 x 256) Compact SCTH
256 (1 x 256) 512 (1 x 512) Compact SCTH
256 (1 x 256) 256 (1 x 256) HIP Native SCTH
256 (1 x 256) 256 (1 x 256) Compact SCTH
Gen3 512 (2 x 256) 512 (2 x 256) HIP Native SCTH
256 (1 x 256) 1024 (4 x 256) Compact SCTH
256 (1 x 256) 1024 (2 x 512) Compact SCTH
256 (1 x 256) 1024 (1 x 1024) Compact SCTH
256 (1 x 256) 512 (2 x 256) Compact SCTH
256 (1 x 256) 512 (2 x 256) Compact SCTH
256 (1 x 256) 512 (1 x 512) Compact SCTH
256 (1 x 256) 256 (1 x 256) HIP Native SCTH
256 (1 x 256) 256 (1 x 256) Compact SCTH
x4 4x4 Gen5 256 (2 x 128) 1024 (4 x 256) Compact CT
256 (2 x 128) 1024 (2 x 512) Compact CT
256 (2 x 128) 1024 (1 x 1024) Compact CT
256 (2 x 128) 512 (2 x 256) Compact CT
256 (2 x 128) 512 (1 x 512) Compact CT
256 (2 x 128) 256 (2 x 128) HIP Native CTH
256 (2 x 128) 256 (2 x 128) Compact CT
256 (2 x 128) 256 (1 x 256) Compact CT
Gen4 256 (2 x 128) 256 (2 x 128) HIP Native CTH
128 (1 x 128) 256 (1 x 256) Compact CT
128 (1 x 128) 128 (1 x 128) HIP Native CTH
128 (1 x 128) 128 (1 x 128) Compact CT
Gen3 256 (2 x 128) 256 (2 x 128) HIP Native CTH
128 (1 x 128) 256 (1 x 256) Compact CT
128 (1 x 128) 128 (1 x 128) HIP Native CTH
128 (1 x 128) 128 (1 x 128) Compact CT
2x4

1x4

 Gen4 256 (2 x 128) 256 (2 x 128) HIP Native (1x4) CTH
128 (1 x 128) 256 (1 x 256) Compact CTH
128 (1 x 128) 128 (1 x 128) HIP Native CTH
128 (1 x 128) 128 (1 x 128) Compact CTH
Gen3 256 (2 x 128) 256 (2 x 128) HIP Native (1x4) CTH
128 (1 x 128) 256 (1 x 256) Compact CTH
128 (1 x 128) 128 (1 x 128) HIP Native CTH
128 (1 x 128) 128 (1 x 128) Compact CTH
Root Port N/A   N/A N/A N/A N/A N/A
TL Bypass N/A   N/A N/A N/A N/A N/A
PIPE Direct (PIPE-D)   1x16 Gen5 1024 (4 x 256) 1024 (4 x 256) HIP Native / Compact S
PIPE Direct (PIPE-D)   2x8 Gen5 512 (2 x 256) 512 (2 x 256) HIP Native / Compact S
Note: For the R-Tile AXI Streaming Performance design example in Endpoint mode, only VCS, and VCSMX are supported for simulation.
Note: The R-Tile AXI Streaming Performance design example in PIPE Direct mode is only supported by VCS.
Figure 15. Performance AXI Streaming 1x16, 1x8, 1x4 Design Example Block Diagram
Figure 16. Performance AXI Streaming 2x8, 2x4 Design Example Block Diagram
Figure 17. Performance AXI Streaming 4x4 Design Example Block Diagram
Figure 18. Gen5 Performance Design Example Block Diagram
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